Note: The submit button does not perform any action as the Full Trust Proxy must be created and deployed so we can use it to log code to the ULS.

3.> Create a ful trust proxy that code in the sandbox solution can call to add the error message to the ULS logs.

3.1.> Create an empty SharePoint project using Visual Studio 2010that deploys to the farm.
3.2.> CKSDev (VSIX extension has a SPI template to create a full trust proxy). I used the SPI to create my ful trust proxy.
3.3.> Create the code to log to the ULS

3.4.> Edit the full trust proxy to use the ULS logging code created above.